package com.cj.cn.common;

import com.cj.cn.exception.NoEnumException;
import com.google.common.collect.Sets;

import java.util.Set;

public class Const {
    public static final String CURRENT_USER = "currentUser";

    public static final String USERNAME = "username";
    public static final String EMAIL = "email";

    public static final String TOKEN_PREFIX = "token_";

    public interface RedisCacheExpireTime {
        long REDIS_SESSION_TIME = 60 * 30; //设置session过期时间为30分钟
    }

    public interface ProductListOrderBy {
        //使用哈希集合使得查询效率为O(1)
        Set<String> PRICE_ASC_DESC = Sets.newHashSet("price_desc", "price_asc");
    }

    public interface Cart {
        int CHECKED = 1;//即购物车选中状态
        int UN_CHECKED = 0;//购物车中未选中状态

        String LIMIT_NUM_FAIL = "LIMIT_NUM_FAIL";
        String LIMIT_NUM_SUCCESS = "LIMIT_NUM_SUCCESS";
    }

    //内部接口类模拟简单的枚举类
    public interface Role {
        int ROLE_CUSTOMER = 0;
        int ROLE_ADMIN = 1;
    }

    public enum ProductStatusEnum {
        ON_SALE(1, "在线");
        private int code;
        private String value;

        ProductStatusEnum(int code, String value) {
            this.code = code;
            this.value = value;
        }

        public int getCode() {
            return code;
        }

        public String getValue() {
            return value;
        }
    }

    public enum OrderStatusEnum {
        CANCELED(0, "已取消"),
        NO_PAY(10, "未付款"),
        PAID(20, "已付款"),
        SHIPPED(40, "已发货"),
        ORDER_SUCCESS(50, "订单完成"),
        ORDER_CLOSE(60, "订单关闭");

        private int code;
        private String value;

        OrderStatusEnum(int code, String value) {
            this.code = code;
            this.value = value;
        }

        public int getCode() {
            return code;
        }

        public String getValue() {
            return value;
        }

        public static OrderStatusEnum codeOf(int code) {
            //values()可以拿到所有枚举对象
            for (OrderStatusEnum orderStatusEnum : values()) {
                if (orderStatusEnum.getCode() == code) {
                    return orderStatusEnum;
                }
            }
            throw new NoEnumException("没有找到对应的枚举");
        }
    }

    public interface AlipayCallback {
        String TRADE_STATUS_WAIT_BUYER_PAY = "WAIT_BUYER_PAY";
        String TRADE_STATUS_TRADE_SUCCESS = "TRADE_SUCCESS";
        String RESPONSE_SUCCESS = "success";
        String RESPONSE_FAILED = "failed";
    }

    public enum PayPlatformEnum {
        ALIPAY(1, "支付宝");
        private int code;
        private String value;

        PayPlatformEnum(int code, String value) {
            this.code = code;
            this.value = value;
        }

        public int getCode() {
            return code;
        }

        public String getValue() {
            return value;
        }
    }

    public enum PaymentTypeEnum {
        ONLINE_PAY(1, "在线支付");
        private int code;
        private String value;

        PaymentTypeEnum(int code, String value) {
            this.code = code;
            this.value = value;
        }

        public int getCode() {
            return code;
        }

        public String getValue() {
            return value;
        }

        public static PaymentTypeEnum codeOf(int code) {
            //values()可以拿到所有枚举对象
            for (PaymentTypeEnum paymentTypeEnum : values()) {
                if (paymentTypeEnum.getCode() == code) {
                    return paymentTypeEnum;
                }
            }
            throw new NoEnumException("没有找到对应的枚举");
        }
    }

    public interface REDIS_LOCK {
        String CLOSE_ORDER_TASK_LOCK = "CLOSE_ORDER_TASK_LOCK";   //关闭订单的分布式锁
    }
}
